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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. uint8_t i=0;		// 0			1			3			7			15
  4. uint8_t mass[10] = {0b00000000, 0b00000001, 0b00000011, 0b00000111, 0b00001111,
  5. //			31			63			127			255			255
  6. 		0b00011111, 0b00111111, 0b01111111, 0b11111111, 0b11111111
  7. };
  8. uint8_t reverse (uint8_t d)
  9. {
  10. 	uint8_t a, b;
  11. 	static const uint8_t revTable[] = {
  12. 	255, 254, 253, 252, 251, 250, 249, 248,
  13.    247, 246, 245, 244, 243, 242, 241, 240,
  14.    239, 238, 237, 236, 235, 234, 233, 232,
  15.    231, 230, 229, 228, 227, 226, 225, 224,
  16.    223, 222, 221, 220, 219, 218, 217, 216,
  17.    215, 214, 213, 212, 211, 210, 209, 208,
  18.    207, 206, 205, 204, 203, 202, 201, 200,
  19.    199, 198, 197, 196, 195, 194, 193, 192,
  20.    191, 190, 189, 188, 187, 186, 185, 184,
  21.    183, 182, 181, 180, 179, 178, 177, 176,
  22.    175, 174, 173, 172, 171, 170, 169, 168,
  23.    167, 166, 165, 164, 163, 162, 161, 160,
  24.    159, 158, 157, 156, 155, 154, 153, 152,
  25.    151, 150, 149, 148, 147, 146, 145, 144,
  26.    143, 142, 141, 140, 139, 138, 137, 136,
  27.    135, 134, 133, 132, 131, 130, 129, 128,
  28.    127, 126, 125, 124, 123, 122, 121, 120,
  29.    119, 118, 117, 116, 115, 114, 113, 112,
  30.    111, 110, 109, 108, 107, 106, 105, 104,
  31.    103, 102, 101, 100,  99,  98,  97,  96,
  32.     95,  94,  93,  92,  91,  90,  89,  88,
  33.     87,  86,  85,  84,  83,  82,  81,  80,
  34.     79,  78,  77,  76,  75,  74,  73,  72,
  35.     71,  70,  69,  68,  67,  66,  65,  64,
  36.     63,  62,  61,  60,  59,  58,  57,  56,
  37.     55,  54,  53,  52,  51,  50,  49,  48,
  38.     47,  46,  45,  44,  43,  42,  41,  40,
  39.     39,  38,  37,  36,  35,  34,  33,  32,
  40.     31,  30,  29,  28,  27,  26,  25,  24,
  41.     23,  22,  21,  20,  19,  18,  17,  16,
  42.     15,  14,  13,  12,  11,  10,   9,   8,
  43.      7,   6,   5,   4,   3,   2,   1,   0
  44. 	};
  45. 	a = d >> 4;
  46. 	a = revTable[a];
  47. 	b = d & 0x0F;
  48. 	b = revTable[b];
  49. 	return (a | b);
  50. }
  51. int main(void) {
  52. 	// your code goes here
  53. //	for(i=0; i<(sizeof(mass)/2); i++){
  54. //		uint8_t q = mass[i];
  55. //		mass[i] = mass[sizeof(mass)-1-i];
  56. //		mass[sizeof(mass)-1-i] = q;
  57. //	}
  58. 	for(i=0; i<10; i++){
  59. 		mass[i] = reverse (mass[i]);
  60. 	}
  61.  
  62.  
  63. 	for(i=0; i<10; i++){
  64. 		printf("%d", mass[i]);
  65. 		printf(",");
  66. 	}
  67. 	return 0;
  68. }
  69.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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Standard input is empty
stdout
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255,255,255,255,255,254,252,248,240,240,
https://ideone.com/6YZYG8
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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